Amazon Buy Shipping Failing on Specific Services

[lsalerno]

Issue: Amazon Buy Shipping does not work for us when trying to create shipments using the following services:

• USPS Ground Advantage (<1lb or 1lb to 70lb)
• USPS Ground Advantage Cubic

There is a window regarding purchasing label from carrier, it disappears and the label is not generated. On Amazon there is no update with tracking or a label made. This is occuring on any order with these services.

Related Issue: If Amazon Buy Shipping Ground Advantage (any version) is in a batch during the batch processing, the batch will immediately fail all orders.

As of today if we attempt to create a label as Amazon Buy Shipping - USPS First Class Mail it returns an error stating:

The purchase request parameters are invalid, please call with the correct parameters or make another call to check eligible options (Bad Request, Carrier Error Code: InvalidInput). (400, 38c83795-07fc-4814-b7cb-6987122f7006)

We have confirmed:

• The requested service in Shipstation is available when viewing Amazon Seller Central for buy shipping.
• This occurs at four different locations.
• This occurs across different browsers, IP addresses, Shipstation support is able to duplicate this.
• This occurs when re-adding Amazon Buy Shipping and setting it back up in full
• There is not a noted issue associated with this on https://status.shipstation.com/
• There is not an issue when using Amazon Buy Shipping for the following services:

Amazon Buy Shipping - Parcel Select

Amazon Buy Shipping - Priority Mail

Amazon Buy Shipping - UPS (All services)

Amazon Buy Shipping - Priority Mail Cubic

Amazon Buy Shipping - Priority Mail Flat Rate Services

Per Shipstation's release notes Amazon Buy Shipping Ground Advantage services are now available.

ShipStation-Release-Notes-10-6-10-13 

UPDATE (As of October 26th, 2023): Shipstation support as advised

• By Chat - to utilize another service (request 3848103)
• By phone with enterprise support - that the release notes are incorrect, Buy Shipping First Class Mail is not available and Buy Shipping Ground Advantage will not be available until January 1st, to utilize another service or Stamps.com
• By email - They have confirmed the failure to create a label with no error returned when using Buy Shipping Ground Advantage (request 3847700)

[lsalerno]

Thank you Shaina T for an update that they are working on this issue.

[buttonmode]

Hi, can you clarify i read that you said USPS Ground Advantage and First Class will not be available until January 2024 for Amazon Buy API?

[rich2]

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@lsalerno wrote:

•  Buy Shipping Ground Advantage will not be available until January 1st, to utilize another service or Stamps.com

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ShipStation, could you humor us and explain why something that worked until a week ago will be broken for 2 calendar months?

[buttonmode]

crickets. the situation got worse today. support was making it seem like i was doing something wrong. 

[lsalerno]

Update as of October 30, 2023:

This service is now failing the same as first class mail.

Amazon Buy Shipping - Parcel Select

The purchase request parameters are invalid, please call with the correct parameters or make another call to check eligible options (Bad Request, Carrier Error Code: InvalidInput)

[Manager-Erin]

Hello @lsalerno, 

Thanks for being a part of our community and for reaching out. This feedback has been noted and will be added to your existing support ticket. 

-Erin: Your Friendly Neighborhood ShipStation Community Manager 

[lsalerno]

Thanks @Manager-Erin for your assistance!

[kayla-zk]

Excellent post BTW.  I was dealing with this issue as well, for about one month. This has finally been resolved for me as of Monday. However an entirely new issue has begun in the process of troubleshooting that one. Are you still experiencing issues with Amazon Buy Shipping via ShipStation?

[lsalerno · Accepted solution]

RESOLVED: As of November 13, 2023 all services we are able to test are functioning as expected for Amazon Buy Shipping. 

@kayla-zk We are not experiencing other persistent issues with Amazon Buy Shipping at this time.